ISSN:
1434-6036
Keywords:
PACS. 79.40.+z Thermionic emission – 73.40.-c Electronic transport in interface structures – 73.40.Kp III-V semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract: We have measured the dependence of the Fermi energy on carrier concentration in Sn doped InGaAs at 4.2 K and 300 K. At 4.2 K the Fermi energy was measured by photoluminescence spectroscopy, and at 300 K it was deduced from transport measurements of thermionic emission. In both cases the dependence of the Fermi energy on the mobile electron concentration, measured by Hall effect, strongly deviates from standard theoretical predictions, and the deviation increases with concentration. The most striking observed anomaly is the near saturation of the Fermi level when the Hall concentration exceeds 1019 cm-3.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s100510170053
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